Coreless detector for ignition dischage current

Details Coreless detector for ignition dischage current Coreless detector for ignition dischage current

1993-07-15

1996-04-16

Wieder, Kenneth A.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

Apparatus for coupling a measuring instrument to an ignition...

324399, 324395, 324126, 324127, 324117R, F02P 1700

Patent

active

055086187

ABSTRACT:
In combination, a gas turbine engine ignition system exciter, an igniter, a conductor that connects the exciter to the igniter to form a discharge circuit, and a current pulse detector for detecting current pulses in the circuit, the detector comprising a wire disposed in close proximity to a current carrying element in the circuit so that a sense current is induced in the wire across a coreless gap; the detector further comprising a signal conditioning circuit for converting the sense current to an output that indicates occurrence of a spark discharge.

REFERENCES:
patent: 2645751 (1953-07-01), Byerlay
patent: 3324393 (1967-06-01), Casey et al.
patent: 3793584 (1974-02-01), Liebermann et al.
patent: 4799005 (1989-01-01), Fernandes
patent: 5065073 (1991-11-01), Frus
patent: 5155437 (1992-10-01), Frus
patent: 5317267 (1994-05-01), Miyata et al.
Copy of European Search Report dated Apr. 3, 1995.
Abstract for Japanese Patent No. A-58131573 dated Aug. 5, 1983.
Abstract for Japanese Patent No. A-4298685 dated Oct. 22, 1992.

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